[单选题]In case the electrical power supply is interrupted during the start sequence (indicated by the loss of ECAM DUs), crew should ____.
A. Abort the start by switching OFF the MASTER sw. Then, perform a 30 s dry crank.
B. It is not necessary for the crew to shut down the engine, the FADEC applies an automatic recovery sequence
C. Engine automatically shutdown, and perform a 30 s dry crank.

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